Rechargable & 10 hours of battery life

Top layer delivers long lasting odor control

your only concern will be leaving your competition behind

It's Feetures own world

designed to relieve discomfort caused by Runner’s Knee

Nathan | LightSpur | Unisex run fast Rechargable & 10 hours ofQuickly and securely attaches to heel of your shoe Super lightweight so you don't feel a thing Multi settings for high visibility and added safety Waterproof so you can run longer in any weather Easily replaceable watch battery offers 100+ hours of illumination Usage Instructions: Press and hold power button for 2 3 seconds to turn on. Press again to switch between steady and strobe modes. Press and hold power button for 2 3 seconds to turn off.